This my 05 2500HD 6.0 4l80E 10.5" Rear Diff
1st my speed limiter kicked in at 92mph/4600rpms in third. I believe I made highest #'s in second gear.
(all figures corrected)
AFR 14.7-1
244.7 rwhp
323.9 rwtq
that's what she did with 825 miles on her 
2005 Chevrolet Silverado 2500HD ECSB 2WD
365 CID motor built by "Rex", Magnuson TVS 2300,WCCH StageII LQ9 heads, EDC Cam, SW Headers, Magnaflow Exhaust, CPT 4L80E, PI 2800 TC, TRACK: Real Racing 16x12 wheels, M&H DOT Cheater Slicks, STREET: Intro Pentia 8 20x10 wheels, BFG KDW's
2008 Nissan Frontier KC VQ40 V6 AUTO 2WD.....Daily Driver
2002 Honda CBR954RR
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